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Advanced Scalability for Light Field Image Coding

Posted on November 9, 2022 by

IEEE Transactions on Image Processing (TIP) [PDF] Hadi Amirpour (Alpen-Adria-Universität Klagenfurt, Austria), Christine Guillemot (INRIA, France), Mohammad Ghanbari (University of Essex, UK), and Christian Timmerer (Alpen-Adria-Universität Klagenfurt, Austria) Abstract: Light field imaging, which captures both spatial and angular information, improves user immersion by … Continue reading →

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Live is Life: Efficient Two-pass Per-title Encoding for Adaptive Live Streaming (Industry demo at ICIP 2022)

Posted on October 17, 2022 by

2022 IEEE International Conference on Image Processing (ICIP) October 16-19, 2022 | Bordeaux, France Conference Website   Abstract: According to the Bitmovin Video Developer Report 2021, live streaming at scale has the highest scope for innovation in video streaming services. Currently, … Continue reading →

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Hadi Amirpour to give a talk at INSA France

Posted on September 25, 2022 by

LiVE: Toward Better Live Video Experience INSA, France  27th September 2022 | Rennes, France   Abstract: In this presentation, we first introduce the principles of video streaming and the existing challenges. While live video streaming is expected to continue growing … Continue reading →

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Secure Reversible Data Hiding in Encrypted Images based on Classification Encryption Difference

Posted on August 10, 2022 by

IEEE 24th Workshop on MultiMedia Signal Processing (MMSP) September 26-28, 2022 | Shanghai, China [PDF] Lingfeng Qu (Southwest Jiaotong University),  Hadi Amirpour (Alpen-Adria-Universität Klagenfurt),   Mohammad Ghanbari (University of Essex, UK), and Christian Timmerer (Alpen-Adria-Universität Klagenfurt), Hongjie He (Southwest Jiaotong University) Abstract: This paper introduces an algorithm to … Continue reading →

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Between Two and Six? Towards Correct Estimation of JND Step Sizes for VMAF-based Bitrate Laddering

Posted on July 13, 2022 by

 14th International Conference on Quality of Multimedia Experience (QoMEX) September 5-7, 2022 | Lippstadt, Germany [PDF][Poster] Hadi Amirpour (Alpen-Adria-Universität Klagenfurt), Raimund Schatz (AIT Austrian Institute of Technology, Austria), and Christian Timmerer (Alpen-Adria-Universität Klagenfurt) Abstract: We currently witness the rapidly growing importance of intelligent video streaming quality … Continue reading →

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FuRA: Fully Random Access Light Field Image Compression

Posted on July 12, 2022 by

10th European Workshop on Visual Information Processing (EUVIP) September 11-14, 2022 | Lisbon, Portugal [PDF] Hadi Amirpour (Alpen-Adria-Universität Klagenfurt),   Christine Guillemot (INRIA, France), and Christian Timmerer (Alpen-Adria-Universität Klagenfurt) Abstract: Light fields are typically represented by multi-view images and enable post-capture actions such as refocusing and … Continue reading →

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Detection and Localization of Video Transcoding From AVC to HEVC Based on Deep Representations of Decoded Frames and PU Maps

Posted on June 20, 2022 by

IEEE Transactions on Multimedia [PDF] Haichao Yao (Beijing Jiaotong University), Rongrong Ni (Beijing Jiaotong University), Hadi Amirpour (Alpen-Adria-Universität Klagenfurt), Christian Timmerer (Alpen-Adria-Universität Klagenfurt), Yao Zhao (Beijing Jiaotong University). Abstract: In general, manipulated videos will eventually undergo recompression. Video transcoding will occur when … Continue reading →

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